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The electric switch heater uses high voltage, from 480 to 750 volts, through coils that are fixed both on the web of the rails and with "crib heaters" that are laid underneath the movable rods between the ties.

These are typically more effective than other types of switch heaters because of the ability to provide the crib heaters, which cannot be used with gas heaters.

The heating elements are provided throughout the area of the movable parts of the switch layout.

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11y ago
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11y ago

Electrical energy converted into heat by high electrical resistance

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Q: How does an electric switch heater work?
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